interfere
Cross references: 1. interpose in.ter.fere \.int-*(r)-'fi(*)r\ vi [MF (s')entreferir to strike one another, fr. OF, fr. entre- inter-] + ferir to strike, fr. L ferire - more at BORE 1: to strike one foot against the opposite foot or ankle in walking or run ning 2: to come in collision to be in opposition : CLASH 3: to enter into or take a part in the concerns of others 4: to act reciprocally so as to augment, diminish, or otherwise affect one another 5: to claim substantially the same invention and thus question the priorit y of invention between the claimants football 6a: to run ahead of and provide blocking for the ball carrier 6b: to hinder illegally an attempt of a player to receive a pass - in.ter.fer.er n
Webster's English Dictionary